/* =====================================================================
   PERSIANAS MARTI E HIJOS — HOJA DE ESTILOS
   Organizado por secciones. Busca el nombre de la sección (en mayúsculas)
   para encontrar rápido lo que quieres cambiar.
   ===================================================================== */

/* ---------- 1. VARIABLES (colores, fuentes, espaciados) ----------
   Cambia aquí los colores de toda la web. */
:root {
  --color-orange: #f2711c;
  --color-orange-dark: #d9590a;
  --color-blue: #1b3a6b;
  --color-blue-dark: #12294d;
  --color-blue-light: #eaf0fa;

  --color-bg: #ffffff;
  --color-bg-alt: #f7f9fc;
  --color-text: #24303f;
  --color-text-light: #5b6b7f;
  --color-border: #e3e8ef;

  --font-heading: "Poppins", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;

  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(27, 58, 107, 0.08);
  --shadow-md: 0 10px 30px rgba(27, 58, 107, 0.12);
  --container-width: 1180px;
}

/* ---------- 2. RESET BÁSICO ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  /* Sin fondo propio a propósito: si el body tiene su color aquí, el
     navegador lo pinta como fondo de toda la página por debajo de
     cualquier elemento con z-index negativo, tapando el logo de fondo
     (.bg-watermark). Ese elemento ya aporta su propio color base. */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

h1, h2, h3 { font-family: var(--font-heading); color: var(--color-blue); line-height: 1.25; }

button { font-family: inherit; cursor: pointer; }

/* Desplazamiento con espacio para la cabecera fija (sticky header) */
section[id] { scroll-margin-top: 84px; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 0. FONDO DECORATIVO (logotipo difuminado) ----------
   Capa fija detrás de toda la web con el logo muy difuminado y tenue.
   El desplazamiento sutil al hacer scroll lo aplica js/script.js
   moviendo la imagen interior (variable --parallax-offset). */
.bg-watermark {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: var(--color-bg);
}
.bg-watermark img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130vmax;
  height: 130vmax;
  max-width: none;
  object-fit: contain;
  /* La imagen de origen (logo-watermark.jpg) ya es minúscula (48px), así
     que al ampliarla tanto queda difuminada de forma natural, sin
     necesidad de un filter:blur() en tiempo real (costoso de renderizar
     en cada fotograma durante el scroll). */
  opacity: 0.22;
  transform: translate(-50%, -50%) translateY(var(--parallax-offset, 0px));
  will-change: transform;
}

/* Animación de aparición suave al hacer scroll (ver script.js) */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respeta a quien prefiere sin animaciones */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 3. BOTONES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-orange);
  color: #fff;
  box-shadow: 0 6px 18px rgba(242, 113, 28, 0.35);
}
.btn-primary:hover { background: var(--color-orange-dark); }

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); }

.btn-white {
  background: #fff;
  color: var(--color-blue);
}
.btn-white:hover { background: #eef2f8; }

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}
.btn-whatsapp:hover { background: #1fb958; }

.btn-lg { padding: 16px 30px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ---------- 4. CABECERA / NAVBAR ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* Fondo casi opaco en vez de backdrop-filter con blur: el desenfoque en
     tiempo real de una cabecera fija es muy costoso de repintar durante
     el scroll (sobre todo en móvil) y apenas se aprecia la diferencia. */
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-blue);
}
.logo-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  box-shadow: var(--shadow-sm);
}
.logo-icon img { width: 100%; height: 100%; object-fit: cover; }
.logo-text strong { color: var(--color-orange); font-weight: 700; }

/* En el pie de página (fondo oscuro), el logo lleva un marco blanco
   para que destaque igual que en la cabecera. */
.logo--footer .logo-icon { background: #fff; padding: 3px; }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu {
  display: flex;
  gap: 28px;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 6px 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-orange);
  transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

.nav-cta { padding: 11px 22px; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-blue);
  transition: transform 0.25s ease, opacity 0.25s ease;
  margin: 0 auto;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. HERO ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-blue-dark); /* color de respaldo mientras carga la foto */
  color: #fff;
  padding: 110px 0 100px;
}

/* Fondo: fotografía (images/hero-bg.jpg) + degradado azul encima para
   que el texto blanco siga siendo legible. Para usar otra foto, sustituye
   ese archivo por otra imagen del mismo nombre y tamaño similar. */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(125deg, rgba(18, 41, 77, 0.92) 0%, rgba(27, 58, 107, 0.82) 55%, rgba(18, 41, 77, 0.9) 100%),
    url("../images/hero-bg.jpg") center/cover no-repeat;
}
.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.5;
}
.hero-bg-shape--1 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(242,113,28,0.35), transparent 70%);
  top: -140px; right: -100px;
}
.hero-bg-shape--2 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 70%);
  bottom: -120px; left: -80px;
}
.hero-blinds {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  display: none;
}
.hero-blinds span {
  display: block;
  width: 260px;
  height: 12px;
  margin-bottom: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}
/* La "persiana" decorativa solo se muestra en pantallas grandes,
   donde hay espacio suficiente a la derecha del texto del hero. */
@media (min-width: 1100px) {
  .hero-blinds { display: block; }
}

.hero-container { position: relative; z-index: 1; }
.hero-content { max-width: 620px; }

.eyebrow {
  display: inline-block;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--color-orange);
  margin-bottom: 14px;
}
.eyebrow--dark { color: var(--color-orange); }

.hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  color: #fff;
  margin-bottom: 18px;
  font-weight: 700;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 34px;
  max-width: 520px;
}

.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 6. SECCIÓN GENÉRICA ---------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-header h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.section-subtitle { color: var(--color-text-light); font-size: 1.02rem; }

/* ---------- 7. SERVICIOS ---------- */
.services { padding: 96px 0; background: var(--color-bg); background: color-mix(in srgb, var(--color-bg) 82%, transparent); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.service-card h3 { font-size: 1.15rem; margin: 34px 26px 8px; }
.service-card p { color: var(--color-text-light); font-size: 0.95rem; margin: 0 26px 26px; }

/* Foto de la tarjeta de servicio */
.service-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-blue-light);
}
.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Tarjeta de mosquiteras: dos fotos lado a lado (corredera + enrollable) */
.service-media--split { display: flex; }
.service-media--split img { width: 50%; }

/* Icono pequeño superpuesto sobre la foto, a modo de sello de marca */
.service-icon {
  position: absolute;
  left: 16px;
  bottom: -18px;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: #fff;
  color: var(--color-orange);
  box-shadow: var(--shadow-sm);
}

/* ---------- 8. POR QUÉ ELEGIRNOS ---------- */
.why-us { padding: 96px 0; background: var(--color-blue-light); background: color-mix(in srgb, var(--color-blue-light) 78%, transparent); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px 36px;
}

.why-item { display: flex; flex-direction: column; }

.why-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #fff;
  color: var(--color-blue);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
}

.why-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.why-item p { color: var(--color-text-light); font-size: 0.94rem; }

/* ---------- 9. ZONA DE SERVICIO / MAPA ---------- */
.service-area { padding: 96px 0; background: var(--color-bg); background: color-mix(in srgb, var(--color-bg) 82%, transparent); }

.service-area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.service-area-text h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 10px 0 16px; }
.service-area-text p { color: var(--color-text-light); margin-bottom: 26px; }

.service-area-map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-border);
}

/* ---------- 10. LLAMADA A LA ACCIÓN (CTA) ---------- */
.cta {
  background: linear-gradient(120deg, var(--color-orange) 0%, var(--color-orange-dark) 100%);
  padding: 80px 0;
  color: #fff;
}
.cta-container { text-align: center; max-width: 700px; margin: 0 auto; }
.cta h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
.cta p { color: rgba(255, 255, 255, 0.92); margin-bottom: 30px; font-size: 1.05rem; }

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ---------- 11. CONTACTO ---------- */
.contact { padding: 96px 0; background: var(--color-bg-alt); background: color-mix(in srgb, var(--color-bg-alt) 82%, transparent); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.contact-info address {
  font-style: normal;
  color: var(--color-text-light);
  margin: 14px 0 22px;
  line-height: 1.8;
}
.contact-info h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 6px; }

.contact-list { margin-bottom: 26px; }
.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-blue);
}
.contact-list svg { color: var(--color-orange); flex-shrink: 0; }
.contact-list a:hover { text-decoration: underline; }

.contact-whatsapp { margin-top: 4px; }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-row { margin-bottom: 18px; }
.form-row--half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-blue);
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(242, 113, 28, 0.15);
}
textarea { resize: vertical; }

.form-status {
  margin-top: 14px;
  font-size: 0.92rem;
  font-weight: 500;
  min-height: 1.2em;
}
.form-status.success { color: #1a8f4c; }
.form-status.error { color: #c0392b; }

/* ---------- 12. FOOTER ---------- */
.site-footer { background: var(--color-blue-dark); color: rgba(255, 255, 255, 0.82); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding: 64px 0 40px;
}

.footer-col h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--color-orange); }
.footer-col address { font-style: normal; margin: 14px 0 10px; line-height: 1.7; }
.footer-col p { margin-bottom: 4px; }

.logo--footer { color: #fff; margin-bottom: 4px; }
.logo--footer .logo-text strong { color: var(--color-orange); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  font-size: 0.85rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- 13. BOTÓN FLOTANTE DE WHATSAPP ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
  z-index: 90;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- 14. RESPONSIVE ---------- */
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
  .service-area-grid { grid-template-columns: 1fr; }
  .service-area-map { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 24px 26px;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
  }
  .nav-menu li { border-bottom: 1px solid var(--color-border); }
  .nav-link { display: block; padding: 14px 0; }

  .nav-cta { margin-top: 14px; width: 100%; }

  .hero { padding: 80px 0 70px; text-align: left; }

  .form-row--half { grid-template-columns: 1fr; gap: 0; }

  .footer-grid { grid-template-columns: 1fr; padding: 48px 0 32px; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .btn { width: 100%; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .btn { width: 100%; }
  .contact-form { padding: 24px; }
}